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		<title>three.js webgl - GLTFloader + Anisotropy</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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	<body>
		<div id="info">
			<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - GLTFLoader + <a href="https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_anisotropy" target="_blank" rel="noopener">KHR_materials_anisotropy</a><br />
			Anisotropy Barn Lamp from <a href="https://github.com/KhronosGroup/glTF-Sample-Models/tree/master/2.0/AnisotropyBarnLamp" target="_blank" rel="noopener">glTF-Sample-Models</a><br />
			<a href="https://hdrihaven.com/hdri/?h=royal_esplanade" target="_blank" rel="noopener">Royal Esplanade</a> from <a href="https://hdrihaven.com/" target="_blank" rel="noopener">HDRI Haven</a>
		</div>

		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.module.js",
					"three/addons/": "./jsm/"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three';

			import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
			import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
			import { RGBELoader } from 'three/addons/loaders/RGBELoader.js';

			let renderer, scene, camera, controls;

			init();

			async function init() {

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.toneMapping = THREE.ACESFilmicToneMapping;
				renderer.toneMappingExposure = 1.35;
				document.body.appendChild( renderer.domElement );

				scene = new THREE.Scene();

				camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 0.01, 10 );
				camera.position.set( - 0.35, - 0.2, 0.35 );

				controls = new OrbitControls( camera, renderer.domElement );
				controls.target.set( 0, - 0.08, 0.11 );
				controls.minDistance = 0.1;
				controls.maxDistance = 2;
				controls.addEventListener( 'change', render );
				controls.update();

				const rgbeLoader = new RGBELoader().setPath( 'textures/equirectangular/' );
				const gltfLoader = new GLTFLoader().setPath( 'models/gltf/' );

				const [ texture, gltf ] = await Promise.all( [
					rgbeLoader.loadAsync( 'royal_esplanade_1k.hdr' ),
					gltfLoader.loadAsync( 'AnisotropyBarnLamp.glb' ),
				] );

				// environment

				texture.mapping = THREE.EquirectangularReflectionMapping;

				scene.background = texture;
				scene.backgroundBlurriness = 0.5;
				scene.environment = texture;

				// model

				scene.add( gltf.scene );

				render();

				window.addEventListener( 'resize', onWindowResize );

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;

				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

				render();

			}

			function render() {

				renderer.render( scene, camera );

			}

		</script>

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